CVE-2019-4279
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a…
- 9.0CriticalCVSS base score
- 79.9%Exploitation in 30 daysEPSS · top 0.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 160445.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and an Exploit-DB entry for it.
Show the exploits2
Metasploit modules1 module
- IBM Websphere Application Server Network Deployment Untrusted Data Deserialization Remote Code Execution (Metasploit module) (opens in a new tab)
exploit/windows/ibm/ibm_was_dmgr_java_deserialization_rceRank excellentdisclosed 15 May 2019
Exploit-DB1 entry
- IBM Websphere Application Server - Network Deployment Untrusted Data Deserialization Remote Code Execution (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 46969remote, windowspublished 5 Jun 2019Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By ibm
- 4 months later
· 4 months later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | Critical9.0 | CVSS:3.0/S:C/A:H/AC:H/I:H/C:H/AV:N/PR:N/UI:N/RL:O/RC:C/E:U |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 79.9% · top 0.4% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.0.
Affected products
IBM · WebSphere Application Server
- affected 8.5
- affected 9.0
References
References3
- https://www.ibm.com/support/docview.wss?uid=ibm10883628 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-websphere-cve20194279-code-exec (160445) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 108450 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-13886 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-4279)Record last updated .